CN103710392B - A kind of methane conversion promotor and preparation method thereof and application - Google Patents
A kind of methane conversion promotor and preparation method thereof and application Download PDFInfo
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- CN103710392B CN103710392B CN201310724712.3A CN201310724712A CN103710392B CN 103710392 B CN103710392 B CN 103710392B CN 201310724712 A CN201310724712 A CN 201310724712A CN 103710392 B CN103710392 B CN 103710392B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The invention discloses a kind of methane conversion promotor, every 1 kilograms of methane promotor is composed of the following components: phosphoric acid salt 144 ~ 300 grams, 300 ~ 850 grams, urea, cobalt chloride 0.5 ~ 1 gram, 1 ~ 5 gram, molysite; Described phosphoric acid salt is selected from Sodium phosphate dibasic, SODIUM PHOSPHATE, MONOBASIC, dipotassium hydrogen phosphate, potassium primary phosphate; Molysite is selected from iron protochloride, ferrous sulfate.Methane conversion promotor of the present invention, can be applied to organic industrial sewage (comprising wood sugar waste water) form anaerobic fermentation methane, to increase methane content.Methane conversion promotor of the present invention, preparation is simple, with low cost, easy to use, effect is good, not only obtains the higher biogas of purity at anaerobic stages, and make the organic pollutant in water body obtain effective conversion, decrease the processing load of anaerobism back segment aerobic process, cost for wastewater treatment is obviously declined, remarkable in economical benefits.
Description
Technical field
The present invention relates to a kind of methane conversion promotor and preparation method thereof, and the application in organic industrial sewage (comprising wood sugar waste water) form anaerobic fermentation methane, belong to pollutant resources and field of environment protection.
Background technology
Take plant base as the field of industrial production of raw material, in the trade effluent formed after being separated, transforming target product, be rich in and can be decomposed by anaerobion the growth substrate utilized, the decomposition having different qualities microorganism by these utilizes, while being supplied to their growth substances, define the biogas containing 40 ~ 60% methane compositions, this action character of anaerobion, be widely used in the anaerobic biochemical treatment process of organic waste water.
The anaerobic metabolism approach of microorganism is extremely complicated, is generally divided into three main phase: the first stage: complicated organism such as Mierocrystalline cellulose, starch etc. are hydrolyzed to monose by hydrolysis and zymogenic bacteria, then are degraded to pyruvic acid; Proteolysis is amino acid, and deaminizating becomes organic acid and ammonia; Hydrolysis of lipid is various lower fatty acid and alcohol.The microflora of first stage is hydrolysis, zymogenic bacteria group, has obligatory anaerobic bacteria and facultative anaerobe.Subordinate phase: produce hydrogen, with product acetic acid bacteria group, the product of first stage is decomposed into acetic acid and hydrogen further.The microflora of subordinate phase is for producing hydrogen, producing acetic acid bacteria.Phase III: the methanogen floras of the obligate anaerobic that two groups of physiology is different.One group is by hydrogen and carbonic acid gas synthesizing methane or carbon monoxide and hydrogen synthesizing methane; Another group is that acetic acid decarboxylation is generated methane and carbon dioxide, or utilizes formic acid, methyl alcohol and methylamine to be cracked into methane.The forming process of methane is by the coefficient result of the microorganism of two aspects, wherein 28% the oxidation of methane from hydrogen and the reduction of carbonic acid gas, the methane of 72% is from the cracking of acetate.Can find out, the methane that acetate cracking methane flora is formed is 2.57 times of hydroxide flora synthesizing methane total amount, in the process of acetic acid cracking, produce carbonic acid gas, the content forming carbon dioxide in methane under general environment pressure is easily understood 40 ~ 60% simultaneously.
Effective constituent in biogas is methane, the two large microorganism species forming methane have different pathways metabolisms, realizing often step reaction is what to complete under different enzymatic reactions, increase the promotor of one or more enzymatic reaction coenzyme, change original environmental stress and can change balance between autochthonous flora, selectively direction realizes the dominant growth of a class anaerobic methane production flora.
Summary of the invention
For above-mentioned prior art, for the problem that methane content in biogas component is lower, the invention provides a kind of methane conversion promotor and preparation method thereof, and the application (for increasing methane content of bilogas) in organic industrial sewage (comprising wood sugar waste water) form anaerobic fermentation methane: methane conversion promotor of the present invention is added anaerobic fermentation system, original environmental stress can be changed, improve the activity of hydroxide and carbon dioxide reduction methane flora, methane in sewage gas component is increased.
The present invention is achieved by the following technical solutions:
A kind of methane conversion promotor, every 1 kilograms of methane promotor is composed of the following components: phosphoric acid salt 144 ~ 300 grams, 300 ~ 850 grams, urea, cobalt chloride 0.5 ~ 1 gram, 1 ~ 5 gram, molysite; Described phosphoric acid salt is selected from Sodium phosphate dibasic, SODIUM PHOSPHATE, MONOBASIC, dipotassium hydrogen phosphate, potassium primary phosphate; Molysite is selected from iron protochloride, ferrous sulfate.
Preferably, every 1 kilograms of methane promotor is composed of the following components: phosphoric acid salt 150 ~ 290 grams, 700 ~ 840 grams, urea, cobalt chloride 0.5 ~ 1 gram, 3 ~ 5 grams, molysite; Described phosphoric acid salt is selected from Sodium phosphate dibasic, SODIUM PHOSPHATE, MONOBASIC, dipotassium hydrogen phosphate, potassium primary phosphate; Molysite is selected from iron protochloride, ferrous sulfate.
Preferably, every 1 kilograms of methane promotor is composed of the following components: phosphoric acid salt 170 ~ 270 grams, 730 ~ 825 grams, urea, cobalt chloride 0.5 ~ 1 gram, 3.5 ~ 4.5 grams, molysite; Described phosphoric acid salt is selected from Sodium phosphate dibasic, SODIUM PHOSPHATE, MONOBASIC, dipotassium hydrogen phosphate, potassium primary phosphate; Molysite is selected from iron protochloride, ferrous sulfate.
The preparation method of described methane conversion promotor is: get each component, and mixing mixing, to obtain final product.
Methane conversion promotor of the present invention, organic industrial sewage (comprising wood sugar waste water) form anaerobic fermentation methane can be applied to, its effect is: can change original environmental stress, improves the activity of hydroxide and carbon dioxide reduction methane flora, methane in sewage gas component is increased.Concrete application mode is: by methane conversion promotor of the present invention according to certain addition (addition of 3 ~ 8mg/L) uniformly along with water body enters anaerobic fermentation system.
Mentality of designing of the present invention is: be C source for primary pollution source in organic industrial sewage (comprising wood sugar waste water), lack P and N source needed for microorganism growth, P and N element is supplemented in promotor, with the product hydrogen of the hydrolysis and zymogenic bacteria and subordinate phase that promote the first stage and the activity of producing acetic acid bacteria, accelerate the degraded in C source; Provide the accelerative activator of the hydroxide methanobacteria coenzyme of phase III simultaneously in promotor, accelerate the reduction of carbonic acid gas, thus the content of methane in sewage gas can be improved.
Methane conversion promotor of the present invention, preparation is simple, with low cost, easy to use, effect is good: the experiment proved that, methane conversion promotor of the present invention is added in wood sugar anaerobic waste water fermentation methane system, the higher biogas of purity (methane content can reach more than 80%) is not only obtained at anaerobic stages, and make the organic pollutant in water body obtain effective conversion, decrease the processing load of anaerobism back segment aerobic process, cost for wastewater treatment is obviously declined, remarkable in economical benefits.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1 is prepared methane conversion promotor and is applied
Component consists of: SODIUM PHOSPHATE, MONOBASIC 260 grams, 734.7 grams, urea, cobalt chloride 0.8 gram, 4.5 grams, ferrous sulfate.
Preparation method is: take SODIUM PHOSPHATE, MONOBASIC 260 grams, 734.7 grams, urea, cobalt chloride 0.8 gram and 4.5 grams, ferrous sulfate respectively, Homogeneous phase mixing, be made into 1 kilograms of methane promotor, be crushed into pulvis.
Application: wood sugar waste water COD cr4316 ~ 4769mg/L used, is placed in 20L glass EGSB anaerobic reactor, 30% adds granule sludge (that is: adding 600 grams of aqueous particulate mud) by volume, after constant volume, cultivates 45 days at 36 ~ 37 DEG C of continuous anaerobic fermentations.
The particle diameter of described granule sludge is at 0.1 ~ 3mm, and density is 1.04 ~ 1.08g/cm
3, be conventional products of the prior art.
Three control groups and an experimental group are set, wherein,
Control group 1 does not add any promotor.
Control group 2 adds fermentation accelerant A(to be publication number be in the Chinese patent application of CN103255179A promotor, the addition of its promotor is: the consumption of iron, cobalt, nickel, zinc is respectively 0.1,0.15,0.3,0.35mg/L/d, iron, cobalt, nickel, zinc all exist with the form of villaumite).
Control group 3 adds fermentation accelerant B(to be publication number be in the Chinese patent application of CN102925493A promotor, consisting of of its promotor: cobalt chloride 0.1 gram, nickelous chloride 0.2 gram, iron protochloride 0.5 gram, Sodium.alpha.-ketopropionate 50 grams, 150 grams, flyash, wilkinite 150 grams, soya-bean cake 100 grams, SODIUM PHOSPHATE, MONOBASIC 40 grams).
Experimental group adds methane conversion promotor of the present invention.
Experimentation:
Control group 1: with wood sugar waste water according to 15kgCOD/m
3the volumetric loading of d is at EGSB anaerobic reactor continuum micromeehanics.
Control group 2: with in the EGSB reactor of wood sugar waste water steady running after 5 days, according to control group 2 fermentation accelerant, be respectively 0.1 according to the consumption of iron, cobalt, nickel, zinc, 0.15,0.3,0.35mg/L/d enters anaerobic fermentation system along with water body, uniformly according to 15kgCOD/m
3the volumetric loading of d is at EGSB anaerobic reactor continuum micromeehanics.
Control group 3: with in the EGSB reactor of wood sugar waste water steady running after 5 days, according to the formula of control group 3 fermentation accelerant, according to the addition of 3 ~ 8mg/L uniformly along with water body enters anaerobic fermentation system, according to 15kgCOD/m
3the volumetric loading of d is at EGSB anaerobic reactor continuum micromeehanics.
Experimental group: with in the EGSB reactor of wood sugar waste water steady running after 5 days, according to the formula of experimental group promotor, according to the addition of 3 ~ 8mg/L uniformly along with water body enters anaerobic fermentation system, according to 15kgCOD/m
3the volumetric loading of d is at EGSB anaerobic reactor continuum micromeehanics.
Experimental result: 24 hours every days are collected anaerobic methane continuously with gas sampling bag in steady running, after 30 days, measures the content (percent by volume) that 31st ~ 45 days produce methane in sewage gas respectively, calculates its mean value.Result is:
Control group 1 methane average content accounts for 51.1% of biogas component.
Control group 2 methane average content accounts for 53.0% of biogas component.
Control group 3 methane average content accounts for 56.9% of biogas component.
Experimental group methane average content accounts for 80.5% of biogas component.
Known as calculated, experimental group methane content comparatively control group 1 improves 57.5%, and control group 2 methane content comparatively control group 1 improves 3.7%, and control group 3 methane content comparatively control group 1 improves 11.4%.
Result: methane conversion promotor Be very effective of the present invention, is obviously better than control group 1, control group 2 and control group 3.
Embodiment 2 is prepared methane conversion promotor and is applied
Component consists of: Sodium phosphate dibasic 170 grams, 825 grams, urea, cobalt chloride 0.8 gram, 4.2 grams, ferrous sulfate
Preparation method is: take Sodium phosphate dibasic 170 grams respectively, 825 grams, urea, cobalt chloride 0.8 gram, 4.2 grams, ferrous sulfate, and Homogeneous phase mixing is made into 1 kilograms of methane promotor, is crushed into pulvis.
Application: wood sugar waste water COD cr4562 ~ 4937mg/L used, is placed in 20L glass EGSB anaerobic reactor, 30% adds granule sludge (that is: adding 600 grams of aqueous particulate mud) by volume, after constant volume, cultivates 45 days at 36 ~ 37 DEG C of continuous anaerobic fermentations.
The particle diameter of described granule sludge is at 0.1 ~ 3mm, and density is 1.04 ~ 1.08g/cm
3, be conventional products of the prior art.
Three control groups and an experimental group are set, wherein,
Control group 1 does not add any promotor.
Control group 2 adds fermentation accelerant A(to be publication number be in the Chinese patent application of CN103255179A promotor, the addition of its promotor is: the consumption of iron, cobalt, nickel, zinc is respectively 0.1,0.15,0.3,0.35mg/L/d, iron, cobalt, nickel, zinc all exist with the form of villaumite).
Control group 3 adds fermentation accelerant B(to be publication number be in the Chinese patent application of CN102925493A promotor, consisting of of its promotor: cobalt chloride 0.1 gram, nickelous chloride 0.2 gram, iron protochloride 0.5 gram, Sodium.alpha.-ketopropionate 50 grams, 150 grams, flyash, wilkinite 150 grams, soya-bean cake 100 grams, SODIUM PHOSPHATE, MONOBASIC 40 grams).
Experimental group adds methane conversion promotor of the present invention.
Experimentation:
Control group 1: with wood sugar waste water according to 15kgCOD/m
3the volumetric loading of d is at EGSB anaerobic reactor continuum micromeehanics.
Control group 2: with in the EGSB reactor of wood sugar waste water steady running after 5 days, according to control group 2 fermentation accelerant, be respectively 0.1 according to the consumption of iron, cobalt, nickel, zinc, 0.15,0.3,0.35mg/L/d enters anaerobic fermentation system along with water body, uniformly according to 15kgCOD/m
3the volumetric loading of d is at EGSB anaerobic reactor continuum micromeehanics.
Control group 3: with in the EGSB reactor of wood sugar waste water steady running after 5 days, according to the formula of control group 3 fermentation accelerant, according to the addition of 3 ~ 8mg/L uniformly along with water body enters anaerobic fermentation system, according to 15kgCOD/m
3the volumetric loading of d is at EGSB anaerobic reactor continuum micromeehanics.
Experimental group: with in the EGSB reactor of wood sugar waste water steady running after 5 days, according to the formula of experimental group promotor, according to the addition of 3 ~ 8mg/L uniformly along with water body enters anaerobic fermentation system, according to 15kgCOD/m
3the volumetric loading of d is at EGSB anaerobic reactor continuum micromeehanics.
Experimental result: 24 hours every days are collected anaerobic methane continuously with gas sampling bag in steady running, after 30 days, measures the content (percent by volume) that 31st ~ 45 days produce methane in sewage gas respectively, calculates its mean value.Result is:
Control group 1 methane average content accounts for 48.7% of biogas component.
Control group 2 methane average content accounts for 53.6% of biogas component.
Control group 3 methane average content accounts for 59.2% of biogas component.
Experimental group methane average content accounts for 62.2% of biogas component.
Known as calculated, experimental group methane content comparatively control group 1 improves 27.7%, and control group 2 methane content comparatively control group 1 improves 10.1%, and control group 3 methane content comparatively control group 1 improves 21.6%.
Result: methane conversion promotor Be very effective of the present invention, is better than control group 1, control group 2 and control group 3.
Embodiment 3 is prepared methane conversion promotor and is applied
Component consists of: dipotassium hydrogen phosphate 200 grams, 794 grams, urea, cobalt chloride 1 gram, iron protochloride 5 grams.
Preparation method is: take dipotassium hydrogen phosphate 200 grams respectively, 794 grams, urea, cobalt chloride 1 gram, iron protochloride 5 grams, and Homogeneous phase mixing is made into 1 kilograms of methane promotor, is crushed into pulvis.
Application: wood sugar waste water COD cr4137 ~ 4784mg/L used, is placed in 20L glass EGSB anaerobic reactor, 30% adds granule sludge (that is: adding 600 grams of aqueous particulate mud) by volume, after constant volume, cultivates 45 days at 36 ~ 37 DEG C of continuous anaerobic fermentations.
The particle diameter of described granule sludge is at 0.1 ~ 3mm, and density is 1.04 ~ 1.08g/cm
3, be conventional products of the prior art.
Three control groups and an experimental group are set, wherein,
Control group 1 does not add any promotor.
Control group 2 adds fermentation accelerant A(to be publication number be in the Chinese patent application of CN103255179A promotor, the addition of its promotor is: the consumption of iron, cobalt, nickel, zinc is respectively 0.1,0.15,0.3,0.35mg/L/d, iron, cobalt, nickel, zinc all exist with the form of villaumite).
Control group 3 adds fermentation accelerant B(to be publication number be in the Chinese patent application of CN102925493A promotor, consisting of of its promotor: cobalt chloride 0.1 gram, nickelous chloride 0.2 gram, iron protochloride 0.5 gram, Sodium.alpha.-ketopropionate 50 grams, 150 grams, flyash, wilkinite 150 grams, soya-bean cake 100 grams, SODIUM PHOSPHATE, MONOBASIC 40 grams).
Experimental group adds methane conversion promotor of the present invention.
Experimentation:
Control group 1: with wood sugar waste water according to 15kgCOD/m
3the volumetric loading of d is at EGSB anaerobic reactor continuum micromeehanics.
Control group 2: with in the EGSB reactor of wood sugar waste water steady running after 5 days, according to control group 2 fermentation accelerant, be respectively 0.1 according to the consumption of iron, cobalt, nickel, zinc, 0.15,0.3,0.35mg/L/d enters anaerobic fermentation system along with water body, uniformly according to 15kgCOD/m
3the volumetric loading of d is at EGSB anaerobic reactor continuum micromeehanics.
Control group 3: with in the EGSB reactor of wood sugar waste water steady running after 5 days, according to the formula of control group 3 fermentation accelerant, according to the addition of 3 ~ 8mg/L uniformly along with water body enters anaerobic fermentation system, according to 15kgCOD/m
3the volumetric loading of d is at EGSB anaerobic reactor continuum micromeehanics.
Experimental group: with in the EGSB reactor of wood sugar waste water steady running after 5 days, according to the formula of experimental group promotor, according to the addition of 3 ~ 8mg/L uniformly along with water body enters anaerobic fermentation system, according to 15kgCOD/m
3the volumetric loading of d is at EGSB anaerobic reactor continuum micromeehanics.
Experimental result: 24 hours every days are collected anaerobic methane continuously with gas sampling bag in steady running, after 30 days, measures the content (percent by volume) that 31st ~ 45 days produce methane in sewage gas respectively, calculates its mean value.Result is:
Control group 1 methane average content accounts for 51.1% of biogas component.
Control group 2 methane average content accounts for 54.3% of biogas component.
Control group 3 methane average content accounts for 60.4% of biogas component.
Experimental group methane average content accounts for 80.5% of biogas component.
Known as calculated, experimental group methane content comparatively control group 1 improves 57.5%, and control group 2 methane content comparatively control group 1 improves 6.3%, and control group 3 methane content comparatively control group 1 improves 18.2%.
Result: methane conversion promotor Be very effective of the present invention, is obviously better than control group 1, control group 2 and control group 3.
Embodiment 4 is prepared methane conversion promotor and is applied
Component consists of: potassium primary phosphate 260 grams, 736 grams, urea, cobalt chloride 0.5 gram, iron protochloride 3.5 grams
Preparation method is:
Take potassium primary phosphate 260 grams respectively, 736 grams, urea, cobalt chloride 0.5 gram, iron protochloride 3.5 grams, Homogeneous phase mixing, be made into 1 kilograms of methane promotor, be crushed into pulvis.
Application: wood sugar waste water COD cr4381-4864mg/L used, is placed in 20L glass EGSB anaerobic reactor, 30% adds granule sludge (that is: adding 600 grams of aqueous particulate mud) by volume, after constant volume, cultivates 45 days at 36 ~ 37 DEG C of continuous anaerobic fermentations.
The particle diameter of described granule sludge is at 0.1 ~ 3mm, and density is 1.04 ~ 1.08g/cm
3, be conventional products of the prior art.
Three control groups and an experimental group are set, wherein,
Control group 1 does not add any promotor.
Control group 2 adds fermentation accelerant A(to be publication number be in the Chinese patent application of CN103255179A promotor, the addition of its promotor is: the consumption of iron, cobalt, nickel, zinc is respectively 0.1,0.15,0.3,0.35mg/L/d, iron, cobalt, nickel, zinc all exist with the form of villaumite).
Control group 3 adds fermentation accelerant B(to be publication number be in the Chinese patent application of CN102925493A promotor, consisting of of its promotor: cobalt chloride 0.1 gram, nickelous chloride 0.2 gram, iron protochloride 0.5 gram, Sodium.alpha.-ketopropionate 50 grams, 150 grams, flyash, wilkinite 150 grams, soya-bean cake 100 grams, SODIUM PHOSPHATE, MONOBASIC 40 grams).
Experimental group adds methane conversion promotor of the present invention.
Experimentation:
Control group 1: with wood sugar waste water according to 15kgCOD/m
3the volumetric loading of d is at EGSB anaerobic reactor continuum micromeehanics.
Control group 2: with in the EGSB reactor of wood sugar waste water steady running after 5 days, according to control group 2 fermentation accelerant, be respectively 0.1 according to the consumption of iron, cobalt, nickel, zinc, 0.15,0.3,0.35mg/L/d enters anaerobic fermentation system along with water body, uniformly according to 15kgCOD/m
3the volumetric loading of d is at EGSB anaerobic reactor continuum micromeehanics.
Control group 3: with in the EGSB reactor of wood sugar waste water steady running after 5 days, according to the formula of control group 3 fermentation accelerant, according to the addition of 3 ~ 8mg/L uniformly along with water body enters anaerobic fermentation system, according to 15kgCOD/m
3the volumetric loading of d is at EGSB anaerobic reactor continuum micromeehanics.
Experimental group: with in the EGSB reactor of wood sugar waste water steady running after 5 days, according to the formula of experimental group promotor, according to the addition of 3 ~ 8mg/L uniformly along with water body enters anaerobic fermentation system, according to 15kgCOD/m
3the volumetric loading of d is at EGSB anaerobic reactor continuum micromeehanics.
Experimental result: 24 hours every days are collected anaerobic methane continuously with gas sampling bag in steady running, after 30 days, measures the content (percent by volume) that 31st ~ 45 days produce methane in sewage gas respectively, calculates its mean value.Result is:
Control group 1 methane average content accounts for 50.7% of biogas component.
Control group 2 methane average content accounts for 53.6% of biogas component.
Control group 3 methane average content accounts for 58.9% of biogas component.
Experimental group methane average content accounts for 72.3% of biogas component.
Known as calculated, experimental group methane content comparatively control group 1 improves 42.6%, and control group 2 methane content comparatively control group 1 improves 5.7%, and control group 3 methane content comparatively control group 1 improves 16.2%.
Result: methane conversion promotor Be very effective of the present invention, is obviously better than control group 1, control group 2 and control group 3.
Claims (6)
1. a methane conversion promotor, is characterized in that: every 1 kilograms of methane promotor is by following component
Composition: phosphoric acid salt 150 ~ 290 grams, 700 ~ 840 grams, urea, cobalt chloride 0.5 ~ 1 gram, 3 ~ 5 grams, molysite; Described phosphoric acid salt is selected from Sodium phosphate dibasic, SODIUM PHOSPHATE, MONOBASIC, dipotassium hydrogen phosphate, potassium primary phosphate; Molysite is selected from iron protochloride, ferrous sulfate; The summation of above-mentioned each component is 1000 grams.
2. methane conversion promotor as claimed in claim 1, it is characterized in that, every 1 kilograms of methane promotor is composed of the following components: phosphoric acid salt 170 ~ 270 grams, 730 ~ 825 grams, urea, cobalt chloride 0.5 ~ 1 gram, 3.5 ~ 4.5 grams, molysite, the summation of above-mentioned each component is 1000 grams.
3. the preparation method of the methane conversion promotor described in claim 1 or 2, is characterized in that: get each component, and mixing mixing, to obtain final product.
4. the methane conversion promotor described in claim 1 or 2 is increasing the application in organic industrial sewage form anaerobic fermentation methane in methane content.
5. application according to claim 4, is characterized in that: described organic industrial sewage is wood sugar waste water.
6. the application according to claim 4 or 5, is characterized in that: by methane conversion promotor according to the addition of 3 ~ 8mg/L uniformly along with water body enters anaerobic fermentation system.
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| CN101439914A (en) * | 2008-12-14 | 2009-05-27 | 张动科 | Neutralization-free furfural wastewater biochemical treatment process |
| CN102925493A (en) * | 2012-11-21 | 2013-02-13 | 江苏省农业科学院 | Accelerant for producing biogas by straw anaerobic digestion as well as preparation method and application thereof |
| CN102994565A (en) * | 2012-12-20 | 2013-03-27 | 淮海工学院 | Method for enhancing anaerobic fermentation of algal waste liquid to generate methane |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101439914A (en) * | 2008-12-14 | 2009-05-27 | 张动科 | Neutralization-free furfural wastewater biochemical treatment process |
| CN102925493A (en) * | 2012-11-21 | 2013-02-13 | 江苏省农业科学院 | Accelerant for producing biogas by straw anaerobic digestion as well as preparation method and application thereof |
| CN102994565A (en) * | 2012-12-20 | 2013-03-27 | 淮海工学院 | Method for enhancing anaerobic fermentation of algal waste liquid to generate methane |
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